Just to follow up, bought the pressure sensor on amazon.com, replaced and re-charged and it works AWESOME! Furious with the dealer, they just want to suck a grand out of anyone's pocket for an ac repair. They scanned it for 100+ bucks, noted an improbable response from the pressure sender, and then ...

New pressure sensor from dealer: $408 + tax.

From Amazon.com: $191. Hope this fixes it. Pressure sensor is saying -44psi, which is pretty implausible. It can only be the sensor or the control module.

I bought the cd on ebay. First off, it installs xp on your machine to run in a virtual environment, which is clumsy. Second, the manual does not reflect in any way what is in the car at least electrically with the hvac system. Waste of money. They changed the electrical system for 09, and it shows e...

dgekiere, could you PM me with the pages you linked? I have the schematic, but the flow chart and module location I still need. Maybe because of the new user name I am not able to PM you?

6 to 8 hours to diagnose? I am steaming.

Same guy here, had to get new user name because I lost sign in. :oops: Well, the stealer so far has charged me $95 for a "diagnosis" fee, and yet has no diagnosis. Pissed would be putting it easy. They tell us they need "6 to 8 hours of labor" to tear apart the dash and get to it...